Alkaline phosphate-activated clay/zeolite catalysts

Details Alkaline phosphate-activated clay/zeolite catalysts Alkaline phosphate-activated clay/zeolite catalysts

1997-04-14

1999-09-28

Jones, Deborah

Catalyst, solid sorbent, or support therefor: product or process

Zeolite or clay, including gallium analogs

And additional al or si containing component

502 71, 502 80, 502 82, 502 86, 502208, B01J 2906, B01J 2116, B01J 2904, B01J 2714

Patent

active

059588187

ABSTRACT:
Zeolite/clay/phosphate catalysts can be prepared by a process wherein a composition of zeolite-clay-phosphate is brought to a pH level of about 7.0 to about 14.0. The resulting slurry is then age reacted for about 0.5 to about 24 hours. Thereafter the slurry is dried to produce a zeolite/clay/phosphate catalyst particles that are particularly characterized by their high levels of zeolite stability.

REFERENCES:
patent: 5190902 (1993-03-01), Demmel
patent: 5288739 (1994-02-01), Demmel
patent: 5456821 (1995-10-01), Absil et al.
patent: 5472922 (1995-12-01), Degnan et al.
Degnan, Thomas F.: "Molecular Transport Reaction in Zeolites" (VCH Publishers, Inc., 1994), month not available.

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